52.8.13 problem 15(a)

Internal problem ID [8377]
Book : DIFFERENTIAL EQUATIONS with Boundary Value Problems. DENNIS G. ZILL, WARREN S. WRIGHT, MICHAEL R. CULLEN. Brooks/Cole. Boston, MA. 2013. 8th edition.
Section : CHAPTER 7 THE LAPLACE TRANSFORM. EXERCISES 7.5. Page 315
Problem number : 15(a)
Date solved : Monday, January 27, 2025 at 03:49:50 PM
CAS classification : [[_2nd_order, _missing_x]]

\begin{align*} y^{\prime \prime }+2 y^{\prime }+10 y&=0 \end{align*}

Using Laplace method With initial conditions

\begin{align*} y \left (0\right )&=0\\ y^{\prime }\left (0\right )&=1 \end{align*}

✓ Solution by Maple

Time used: 0.612 (sec). Leaf size: 14

dsolve([diff(y(t),t$2)+2*diff(y(t),t)+10*y(t)=0,y(0) = 0, D(y)(0) = 1],y(t), singsol=all)
 

\[ y = \frac {{\mathrm e}^{-t} \sin \left (3 t \right )}{3} \]

✓ Solution by Mathematica

Time used: 0.019 (sec). Leaf size: 18

DSolve[{D[y[t],{t,2}]+2*D[y[t],t]+10*y[t]==0,{y[0]==0,Derivative[1][y][0] ==1}},y[t],t,IncludeSingularSolutions -> True]
 

\[ y(t)\to \frac {1}{3} e^{-t} \sin (3 t) \]